Analysis

  • max time kernel
    129s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/01/2025, 16:50

General

  • Target

    4f19291b5c4319367c491fca7a193ec56732306140721cb0d7b159c823f13194.exe

  • Size

    1.9MB

  • MD5

    debe563e64dc73481aa369c8eeb29545

  • SHA1

    4f3858335111f2281d1729482e7c0090874ea018

  • SHA256

    4f19291b5c4319367c491fca7a193ec56732306140721cb0d7b159c823f13194

  • SHA512

    a6a41f8e143cd098fdfedfdd29781eabd7b3552ab8a0a398687a469784150f4e0a0f5c2cad15eee69a856627f212f068d1bca41f5c4235b9461cbc10bd56505f

  • SSDEEP

    49152:4XgJLCqynX0XNguoMspxwSmdWUYgTYnHrPSMg0r9L6:4gJmNEHurwSrUYEmngQt6

Malware Config

Signatures

  • GCleaner

    GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

  • Gcleaner family
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Downloads MZ/PE file 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4f19291b5c4319367c491fca7a193ec56732306140721cb0d7b159c823f13194.exe
    "C:\Users\Admin\AppData\Local\Temp\4f19291b5c4319367c491fca7a193ec56732306140721cb0d7b159c823f13194.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Downloads MZ/PE file
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:3348
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3348 -s 636
      2⤵
      • Program crash
      PID:4728
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3348 -ip 3348
    1⤵
      PID:1000

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0BHOTC3C\download[1].htm

      Filesize

      1B

      MD5

      cfcd208495d565ef66e7dff9f98764da

      SHA1

      b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

      SHA256

      5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

      SHA512

      31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

    • memory/3348-17-0x0000000000400000-0x0000000000C77000-memory.dmp

      Filesize

      8.5MB

    • memory/3348-39-0x0000000000400000-0x0000000000C77000-memory.dmp

      Filesize

      8.5MB

    • memory/3348-2-0x0000000000401000-0x0000000000426000-memory.dmp

      Filesize

      148KB

    • memory/3348-4-0x0000000000400000-0x0000000000C77000-memory.dmp

      Filesize

      8.5MB

    • memory/3348-6-0x0000000000400000-0x0000000000C77000-memory.dmp

      Filesize

      8.5MB

    • memory/3348-7-0x0000000000400000-0x0000000000C77000-memory.dmp

      Filesize

      8.5MB

    • memory/3348-8-0x0000000000400000-0x0000000000C77000-memory.dmp

      Filesize

      8.5MB

    • memory/3348-9-0x0000000000401000-0x0000000000426000-memory.dmp

      Filesize

      148KB

    • memory/3348-10-0x0000000000400000-0x0000000000C77000-memory.dmp

      Filesize

      8.5MB

    • memory/3348-11-0x0000000000400000-0x0000000000C77000-memory.dmp

      Filesize

      8.5MB

    • memory/3348-12-0x0000000000400000-0x0000000000C77000-memory.dmp

      Filesize

      8.5MB

    • memory/3348-18-0x0000000000400000-0x0000000000C77000-memory.dmp

      Filesize

      8.5MB

    • memory/3348-3-0x0000000000400000-0x0000000000C77000-memory.dmp

      Filesize

      8.5MB

    • memory/3348-16-0x0000000000400000-0x0000000000C77000-memory.dmp

      Filesize

      8.5MB

    • memory/3348-15-0x0000000000400000-0x0000000000C77000-memory.dmp

      Filesize

      8.5MB

    • memory/3348-19-0x0000000000400000-0x0000000000C77000-memory.dmp

      Filesize

      8.5MB

    • memory/3348-20-0x0000000000400000-0x0000000000C77000-memory.dmp

      Filesize

      8.5MB

    • memory/3348-21-0x0000000000400000-0x0000000000C77000-memory.dmp

      Filesize

      8.5MB

    • memory/3348-22-0x0000000000400000-0x0000000000C77000-memory.dmp

      Filesize

      8.5MB

    • memory/3348-23-0x0000000000400000-0x0000000000C77000-memory.dmp

      Filesize

      8.5MB

    • memory/3348-24-0x0000000000400000-0x0000000000C77000-memory.dmp

      Filesize

      8.5MB

    • memory/3348-26-0x0000000010000000-0x000000001001C000-memory.dmp

      Filesize

      112KB

    • memory/3348-1-0x0000000077614000-0x0000000077616000-memory.dmp

      Filesize

      8KB

    • memory/3348-33-0x0000000000400000-0x0000000000C77000-memory.dmp

      Filesize

      8.5MB

    • memory/3348-0-0x0000000000400000-0x0000000000C77000-memory.dmp

      Filesize

      8.5MB

    • memory/3348-49-0x0000000000400000-0x0000000000C77000-memory.dmp

      Filesize

      8.5MB

    • memory/3348-50-0x0000000000401000-0x0000000000426000-memory.dmp

      Filesize

      148KB